diff --git a/jdk/test/java/nio/file/WatchService/DeleteInterference.java b/jdk/test/java/nio/file/WatchService/DeleteInterference.java
index 6a11271a546..347912c434c 100644
--- a/jdk/test/java/nio/file/WatchService/DeleteInterference.java
+++ b/jdk/test/java/nio/file/WatchService/DeleteInterference.java
@@ -49,7 +49,7 @@ public class DeleteInterference {
      * directory.
      */
     public static void main(String[] args) throws Exception {
-        Path dir = Files.createTempDirectory("work");
+        Path dir = Files.createTempDirectory("DeleteInterference");
         ExecutorService pool = Executors.newCachedThreadPool();
         try {
             Future<?> task1 = pool.submit(() -> openAndCloseWatcher(dir));
diff --git a/jdk/test/java/nio/file/WatchService/LotsOfCancels.java b/jdk/test/java/nio/file/WatchService/LotsOfCancels.java
index cb7f9eff9af..e4abc308d67 100644
--- a/jdk/test/java/nio/file/WatchService/LotsOfCancels.java
+++ b/jdk/test/java/nio/file/WatchService/LotsOfCancels.java
@@ -50,7 +50,7 @@ public class LotsOfCancels {
         // one to bash on cancel, the other to poll the events
         ExecutorService pool = Executors.newCachedThreadPool();
         try {
-            Path top = Files.createTempDirectory("work");
+            Path top = Files.createTempDirectory("LotsOfCancels");
             top.toFile().deleteOnExit();
             for (int i=1; i<=16; i++) {
                 Path dir = Files.createDirectory(top.resolve("dir-" + i));